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Table 8 Cord-maternal plasma median concentration ratios (Cm = Cuc / Cm)

From: Concentrations of persistent organic pollutants in maternal and cord blood from the maternal-infant research on environmental chemicals (MIREC) cohort study

  MIREC (plasma) Vizcaino et al. 2014 [9] (serum) Needham et al. 2011 [70] (serum)
Chemical No. of pairs Median Median lipid adjusted Median Median lipid adjusted Median
Beta-HCH 88 0.16 0.78 0.34 0.70  
DDE 168 0.15 0.74 0.34 0.68  
Oxychlordane 28 0.21 0.87    
PBDE100 12 0.08 0.60    
PBDE153 40 0.10 0.48 0.31 0.58 0.34a
PBDE47 67 0.15 0.84 0.58 0.90  
PCB118 23 0.21 0.80 0.45 0.98  
PCB138 67 0.16 0.70 0.39 0.81  
PCB153 215 0.14 0.72 0.37 0.75  
PCB163 11 0.23 0.80    
PCB170 23 0.14 0.71    
PCB180 86 0.13 0.67 0.28 0.57  
Transnonachlor 14 0.19 0.79    
PFHxS 315 0.23     0.74
PFOA 865 0.28     0.72
PFOS 648 0.14     0.34
  1. Note: only chemicals with >10 pairs shown (where both the maternal and cord blood concentrations were above the LOD)
  2. amean